India freed diesel prices from government control Sunday while raising natural gas tariffs in the biggest-yet reform by Prime Minister Narendra Modi's government, as it aims to boost the country's economy and overhaul its energy sector.

With increasing numbers of volatile crude oil trains moving through Seattle's "antiquated" downtown rail tunnel, city emergency planners say more must be done to lower the risk of an oil-train accident and improve the city's ability to respond.

A sudden plunge in the price of oil is sending economic and political shockwaves around the world. Oil exporting countries are bracing for potentially crippling budget shortfalls and importing nations are benefiting from the lowest prices in four years.

A new analysis of global energy use, economics and the climate shows that without new climate policies, expanding the current bounty of inexpensive natural gas alone would not slow the growth of global greenhouse gas emissions worldwide over the long term.

The U.S. Treasury Department says it has cleared the way for Gulf Coast state and local governments to begin applying for recovery grants through a federal RESTORE Act trust fund fed with civil penalties arising from the 2010 BP oil spill.

A Texas company is getting another chance to persuade Idaho officials to exclude federal lands and potential royalties from what is believed to be a profitable natural gas field in the southwest part of the state.

The Flowood-based private company said that it would enhance parts of the refinery and expand its tank farm. It said the changes, in addition to allowing it to make more products, would allow Ergon to feed the refinery with more kinds of crude oil.

A new study suggests fracking triggered hundreds of small, unnoticeable earthquakes in eastern Ohio late last year, months before the state first linked seismic activity to the much-debated oil-and-gas extraction technique.

An Illinois legislative panel has put off voting on rules for high-volume oil and gas extraction until next month, as it grapples with how to ensure regulations are fair to industry while protecting the environment.

Wide-scale deployment of emerging technology that converts used, non-recycled plastics into oil could generate up to $9 billion in annual U.S. economic output and create upwards of 40,000 domestic jobs, according to a report released by the American Chemistry Council.